| ⇦ | 
| ⇨ |
A resistance of 20 ohm is connected to a source of an alternating potential V=220 sin (100 πt). The time taken by the current to change from its peak value to r.m.s value is
Options
(a) 2.5 x 10⁻³ sec
(b) 0.25 sec
(c) 25 x 10⁻³ sec
(d) 2.5 sec
Correct Answer:
2.5 x 10⁻³ sec
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- A magnifying glass of focal length 5 cm is used to view an object by a person
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
- An electric dipole of moment p is lying along a uniform electric field E. The work
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- A magnifying glass of focal length 5 cm is used to view an object by a person
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
- An electric dipole of moment p is lying along a uniform electric field E. The work
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply